Harden admin telemetry and deployment safeguards

TaxBaik.Web/Controllers/ClientLogsController.cs

@@ -0,0 +1,60 @@
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.RateLimiting;
+
+namespace TaxBaik.Web.Controllers;
+
+[ApiController]
+[Route("api/client-logs")]
+[AllowAnonymous]
+[EnableRateLimiting("client-logs")]
+public class ClientLogsController(ILogger<ClientLogsController> logger) : ControllerBase
+{
+    [HttpPost]
+    public IActionResult Post([FromBody] ClientLogEntry entry)
+    {
+        if (string.IsNullOrWhiteSpace(entry.Message))
+        {
+            return BadRequest();
+        }
+
+        logger.LogWarning(
+            "ClientLog {Level} {Source} {Message} Url={Url} Route={Route} Screen={Screen} Feature={Feature} Action={Action} Step={Step} Entity={Entity} EntityId={EntityId} DataKey={DataKey} BuildVersion={BuildVersion} UserAgent={UserAgent} Stack={Stack}",
+            entry.Level ?? "error",
+            entry.Source ?? "unknown",
+            entry.Message,
+            entry.Url ?? string.Empty,
+            entry.Route ?? string.Empty,
+            entry.Screen ?? string.Empty,
+            entry.Feature ?? string.Empty,
+            entry.Action ?? string.Empty,
+            entry.Step ?? string.Empty,
+            entry.Entity ?? string.Empty,
+            entry.EntityId ?? string.Empty,
+            entry.DataKey ?? string.Empty,
+            entry.BuildVersion ?? string.Empty,
+            entry.UserAgent ?? string.Empty,
+            entry.Stack ?? string.Empty);
+
+        return Ok();
+    }
+}
+
+public sealed class ClientLogEntry
+{
+    public string? Level { get; set; }
+    public string? Source { get; set; }
+    public string? Message { get; set; }
+    public string? Url { get; set; }
+    public string? Route { get; set; }
+    public string? Screen { get; set; }
+    public string? Feature { get; set; }
+    public string? Action { get; set; }
+    public string? Step { get; set; }
+    public string? Entity { get; set; }
+    public string? EntityId { get; set; }
+    public string? DataKey { get; set; }
+    public string? BuildVersion { get; set; }
+    public string? UserAgent { get; set; }
+    public string? Stack { get; set; }
+}